title: Modified single radial haemolysis technique: measurement of antibodies to Newcastle disease virus.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000032:analysis; D002645:Chickens / Q000097:blood; D006462:Hemolytic Plaque Technique; D005779:Immunodiffusion; D009522:Newcastle disease virus / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral